1244340073 has 2 divisors, whose sum is σ = 1244340074. Its totient is φ = 1244340072.

The previous prime is 1244339983. The next prime is 1244340133. The reversal of 1244340073 is 3700434421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776569689 + 467770384 = 27867^2 + 21628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244340073 - 2⁹ = 1244339561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244341073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622170036 + 622170037.

It is an arithmetic number, because the mean of its divisors is an integer number (622170037).

Almost surely, 2^1244340073 is an apocalyptic number.

It is an amenable number.

1244340073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244340073 is an equidigital number, since it uses as much as digits as its factorization.

1244340073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 1244340073 is about 35275.2047903340. The cubic root of 1244340073 is about 1075.5890258164.

Adding to 1244340073 its reverse (3700434421), we get a palindrome (4944774494).

The spelling of 1244340073 in words is "one billion, two hundred forty-four million, three hundred forty thousand, seventy-three".